Update .azure/pipelines/ci.yml

Co-authored-by: Doug Bunting <[email protected]>

Author: HaoK

.azure/pipelines/ci.yml

@@ -32,7 +32,7 @@ variables:
 - name: _DotNetValidationArtifactsCategory
   value: .NETCORE
 - name: PLAYWRIGHT_BROWSERS_PATH
-  value: $(System.DefaultWorkingDirectory)/.pw
+  value: $(System.DefaultWorkingDirectory)/.tools/playwright
 - name: PostBuildSign
   value: true
 - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}: